Mike Cockett, an IT security researcher, discovered that Firefox developer sends a lot of application data to Mozilla.
The data transfer comes after the browser analyzes the data transfer behavior of the desktop version, classifying it as tracking without user permission.
(Kokets said that Firefox could be transformed into a privacy-maintaining browser by removing all tick marks under Settings / Privacy & Security / Firefox Data Collection and Application and disabling the transfer of telemetry, analysis and other data to Mozilla.)
The technician advises you to remove all the verification labels under (Firefox Home Content) and select the setting (Blank Page) under (Settings / Start Page / New Widgets & Tabs / New Tabs).
If the user does not want the data to go to Google, he or she must disable the default search engine (Settings / Search), the display of search suggestions (settings / privacy & security / fraudulent content and dangerous software security).
After that, you need to enter “pdfjs.enableScripting” in the search bar and set the function to “true” from, click the double arrow icon to the right of the corresponding entry in the end bar.
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